<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<script src="https://unpkg.com/vue@next"></script>
<div id="app"></div>
<script>
    // 组件选项
    const vueApp = {
        data(){
            return {
                count: 5
            }
        }
    };

    const app = Vue.createApp(vueApp);
    // 组件实例
    const vm = app.mount('#app');
    console.log('count:', vm.count);

</script>

</body>
</html>
